CVE-2021-47343

In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail due to IO read error e.g. read the content of origin block fails during shadowing, and the value of shadowspine::root is uninitialized...

CVE-2021-47343 dm btree remove: assign new_root only when removal succeeds

In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail due to IO read error e.g. read the content of origin block fails during shadowing, and the value of shadowspine::root is uninitialized...

CVE-2021-47230 KVM: x86: Immediately reset the MMU context when the SMM flag is cleared

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Immediately reset the MMU context when the SMM flag is cleared Immediately reset the MMU context when the vCPU's SMM flag is cleared so that the SMM flag in the MMU role is always synchronized with the vCPU's flag. If R...

CVE-2021-47230

A vulnerability in the Linux kernel 's KVM x86 virtualization subsystem allows for a NULL pointer dereference . The issue occurs because the MMU context is not immediately reset when the vCPU's SMM flag is cleared. Specifically, if RSM fails (which is not correctly emulated), KVM bails without ca...

CVE-2021-47228 x86/ioremap: Map EFI-reserved memory as encrypted for SEV

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Map EFI-reserved memory as encrypted for SEV Some drivers require memory that is marked as EFI boot services data. In order for this memory to not be re-used by the kernel after ExitBootServices, efimemreserve is use...

CVE-2023-52782: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Track xmit submission to PTP WQ after populating metadata map Ensure the skb is available in metadata mapping to skbs before tracking the metadata index for detecting undelivered CQEs. If the metadata index is put in t...

CVE-2023-52752: Use After Free

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free bug in cifsdebugdataprocshow Skip SMB sessions that are being teared down e.g. @ses-sesstatus == SESEXITING in cifsdebugdataprocshow to avoid use-after-free in @ses. This fixes the following GPF wh...

CVE-2021-47343: Initialization of a Resource with an Insecure Default

In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail due to IO read error e.g. read the content of origin block fails during shadowing, and the value of shadowspine::root is uninitialized...

CVE-2024-36008

In the Linux kernel, the following vulnerability has been resolved: ipv4: check for NULL idev in iprouteusehint syzbot was able to trigger a NULL deref in fibvalidatesource in an old tree 1. It appears the bug exists in latest trees. All calls to indevgetrcu must be checked for a NULL result. 1...

CVE-2024-36008 ipv4: check for NULL idev in ip_route_use_hint()

In the Linux kernel, the following vulnerability has been resolved: ipv4: check for NULL idev in iprouteusehint syzbot was able to trigger a NULL deref in fibvalidatesource in an old tree 1. It appears the bug exists in latest trees. All calls to indevgetrcu must be checked for a NULL result. 1...

CVE-2024-36008 ipv4: check for NULL idev in ip_route_use_hint()

In the Linux kernel, the following vulnerability has been resolved: ipv4: check for NULL idev in iprouteusehint syzbot was able to trigger a NULL deref in fibvalidatesource in an old tree 1. It appears the bug exists in latest trees. All calls to indevgetrcu must be checked for a NULL result. 1...

CVE-2024-35870

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2reconnectserver The UAF bug is due to smb2reconnectserver accessing a session that is already being teared down by another thread that is executing cifsputsmbses. This can happen when a the client has...

CVE-2024-35870 smb: client: fix UAF in smb2_reconnect_server()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2reconnectserver The UAF bug is due to smb2reconnectserver accessing a session that is already being teared down by another thread that is executing cifsputsmbses. This can happen when a the client has...

CVE-2024-35870

CVE-2024-35870: In the Linux kernel, smb2_reconnect_server() can UAF a session being torn down by another thread, leading to a crash (general protection fault) when a session is in an inconsistent state. The root cause is a race where a session could be accessed after __cifs_put_smb_ses() begins ...

CVE-2024-35870: Use After Free

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2reconnectserver The UAF bug is due to smb2reconnectserver accessing a session that is already being teared down by another thread that is executing cifsputsmbses. This can happen when a the client has...

PT-2024-26943

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability has been resolved in the Linux kernel related to netfilter: tproxy, where the kernel would not bail out if IP has been disabled on the device. This issue was reported by...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-6767-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6767-1 advisory. Chenyuan Yang discovered that the RDS Protocol implementation in the Linux kernel contained an out-of- bounds read vulnerability. An attacker...

CVE-2024-27062 nouveau: lock the client object tree.

In the Linux kernel, the following vulnerability has been resolved: nouveau: lock the client object tree. It appears the client object tree has no locking unless I've missed something else. Fix races around adding/removing client objects, mostly vram bar mappings. 4562.099306 general protection...

CVE-2024-27062

In the Linux kernel, the following vulnerability has been resolved: nouveau: lock the client object tree. It appears the client object tree has no locking unless I've missed something else. Fix races around adding/removing client objects, mostly vram bar mappings. 4562.099306 general protection...

CVE-2024-27062: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: nouveau: lock the client object tree. It appears the client object tree has no locking unless I've missed something else. Fix races around adding/removing client objects, mostly vram bar mappings. 4562.099306 general protection...